Troubleshooting - Vision ESX VN720 HY-iX35 Owner's Manual

TROUBLESHOOTING

If the following troubleshooting tips do not solve the problem and the malfunction persists, please contact
an authorized repair or installation service. Do not open the device or attempt to repair it by yourself. This
may cause serious damages to the electronic components of the device and in your vehicle or may void the
warranty of the device.
Problems
Starting process
The device cannot be
turned on.
Display
Inaccurate or delayed input of touchscreen
function.
Screen is black.
Sound
There is no sound via the sound system of
the vehicle hearable.
The sound is distorted, overdriven or with
strong noises.
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Causes
Operator error with the ignition off.
The fuse or a fuse in the vehicle electro-
nics is defective.
The touch-screen is not properly
calibrated.
The device opens an application or is
currently processing.
The display is disabled.
The device is in standby mode
The connection or installation was not
done correctly or one of the cables is
defective.
One of the audio settings is incorrect or
there is an incompatibility with the vehicle
sound system.
The audio system is not activated properly.
The equalizer settings or the volume
settings of each application are set
unfavorable.
Remedy
To turn on the device with the ignition off,
press and hold the power button of the unit
for about 2 seconds. The device automati-
cally switches off after 30 minutes.
Replace the blown fuse with a new fuse of
the same type with the same value.
Calibrate the touch screen
under Apps - Options - System.
Wait until the process is completed.
Tap on the screen.
Press the left knob on the device.
Check all connections and replace a pos-
sibly damaged cable with a new one.
Check the audio settings under Apps -
Audio - Advanced.
Go through all settings step by step and test
the functions.
Disconnect the vehicle's battery for at least
30 minutes.
Check the audio settings under Apps - Au-
dio or Advanced. Correct the settings down
and test if the sound gets better.